Cornelius

__Family structure__ ~!　Father: [Karstedt](https://anilist.co/character/156108) 　 Mother: [Elvira](https://anilist.co/character/157149) (father's first wife) 　 Older brother: [Eckhart](https://anilist.co/character/201318) 　 Older brother: [Lamprecht](https://anilist.co/character/201319) 　 Younger sister: [Rozemyne](https://anilist.co/character/126156) 　 Younger half-brother: [Nikolaus](https://anilist.co/character/201317) 　 Paternal relatives 　 Great-grandfather: [Aub Ehrenfest](https://anilist.co/character/201635) (fifth generation) 　 Great-grandfather: [former Giebe Leisegang](https://anilist.co/character/262016) (Bonifatius's first wife's father) 　 Grandfather: [Bonifatius](https://anilist.co/character/201624) 　 Uncle: Karstedt's half-brother 　　　 Cousin: [Traugott](https://anilist.co/character/201627) 　 Maternal relatives 　 Grandfather: former Giebe Haldenzel 　 Uncle: [Claudio](https://anilist.co/character/224658)!~ __Status__ ~!　Class: archnoble 　 Occupation: apprentice knight → knight / Rozemyne's aide!~ __Age related__ ~!　Grade difference with Rozemyne: +4 　 Age difference from Rozemyne: +4 (summer) 　 Birth season: spring!~ He is Rozemyne's apprentice knight at service. He has bright green like young leaves hair and black eyes.